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(11)

EP 3 542 013 A1

(12)

(43) Date of publication: 25.09.2019 Bulletin 2019/39 (21) Application number: 17871899.5 (22) Date of filing: 15.11.2017

(51) International Patent Classification (IPC):  E04H 6/44(2006.01) E04H 15/00(2006.01) E04B 1/34(2006.01) E04H 15/18(2006.01) (86) International application number: PCT/US2017/061874 (87) International publication number: WO 2018/093952 (24.05.2018 Gazette 2018/21)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD (30) Priority: 18.11.2016 US 201662424374 P 02.06.2017 US 201715613024 (71) Applicant: David & Lisbeth Power Revocable Trust Gilroy CA 95020 (US)	(72) Inventor: David & Lisbeth Power Revocable Trust Gilroy CA 95020 (US) (74) Representative: Derry, Paul Stefan et al Venner Shipley LLP 200 Aldersgate London EC1A 4HD London EC1A 4HD (GB)